[coreboot-gerrit] Patch merged into coreboot/master: intel/skylake: implement vboot_platform_prepare_reboot()

the following patch was just integrated into master:
commit cbc3c378dc213adcf46069fb26315686c47a3d40
Author: Aaron Durbin 
Date:   Fri Jan 22 16:56:48 2016 -0600

intel/skylake: implement vboot_platform_prepare_reboot()

In order to not reboot loop in the face of failed vboot verification
    on resume set the PM1 control register to indicate S5. After the
    subsequent cold reset the PM1 control register will indicate S5
    as it should.

BUG=chrome-os-partner:46049
    BRANCH=glados
    TEST=On chell injected failed vboot verification. Ensured a reboot
         loop doesn't ensue.

Change-Id: Ie5e9e3f6441a217a5e02b4d78aaf21f8249b8a43
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: a63b57d7bc59bcaf5518f7cc4afccd3d5da6df1c
    Original-Change-Id: I5e467854bf065a138bd46e476a7e7088f51454ca
    Original-Signed-off-by: Aaron Durbin 
    Original-Reviewed-on: https://chromium-review.googlesource.com/323504
    Original-Reviewed-by: Patrick Georgi 
    Original-Reviewed-by: Duncan Laurie 
    Reviewed-on: https://review.coreboot.org/13579
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/13579 for details.

-gerrit